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The coil of a moving coil meter is wound with 75 turns, on a former of effective length 2.5 cm, and diameter 2 cm. The former rotates at right angles to the field, which has a flux density of 0.5 T. Determine the deflecting torque when the coil current is 50 μA.
Where do the electrons entering the filament come from? Where do they go after exiting?
What is it and how is it derived? When FEC (forward error correction) is implemented, what types of errors can be corrected? How can one use FEC to correct burst errors?
Using Kirchhoff's current law, determine the unknown currents for the networks of given figure:
The unregulated voltage in Fig. 5-44 may vary from 18 to 25 V, and the load current may vary from 1 to 25 mA. Will the zener regulator stop regulating under these conditions? If so, what is the maximum value for RS?
A 25KVA transformer supplies a load with the following schedule: 8hrs-full load with 0.8 lagging power factor. 4hrs-75% full load at unity power factor. 12hrs-No load. The transformer is energised 24hrs per day and has iron losses of350w.
When a color palette is used to reduce its storage requirements, what is the maximum number of rows in the LUT to keep the compressed image size (LUT + index values for each pixel) smaller than the original image size
If a single stage amplifier is having an open loop voltage gain of 80, input resistance of 800 -ohm and output resistance of 200 -ohm, what will be the available signal voltage across a 50 -ohm load connected at the output
What is the resistance of an annealed copper wire that has a length of 500m and a diameter of 0.5 mm. How a diameter two times smaller affects the resistance.
Find the angular velocity of a waveform with a period of 2 s, 0.3 ms, 4 µs and 2 1 6 s.
How do you think the equilibrium in question 15 will change if cross-price elasticities of demand increase? How would you alter the equations to show such an increase? Can you compute the new equilibrium?
Derive the state-space equations of electromechanical systems from first principles. Use Matlab/Oc- tave to represent state-space systems numerically and simulate their response to impulses and steps.
Errors in measuring the arrival time of a wave front from an acoustic source can sometimes be modeled by a beta distribution. (See Perruzzi and Hilliard, J. Acoustical Society of America,1984) Suppose these errors have a beta distribution with a =..
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